Number of 5Xn 0..2 arrays with no element equal to any value at offset (0,-1) (-1,-2) or (-2,0) and new values introduced in order 0..2.

A275040

Number of 5Xn 0..2 arrays with no element equal to any value at offset (0,-1) (-1,-2) or (-2,0) and new values introduced in order 0..2.

Terms

    a(0) =12a(1) =162a(2) =450a(3) =2334a(4) =11624a(5) =57984a(6) =290927a(7) =1465435a(8) =7376949a(9) =37148115a(10) =187150874a(11) =943024281a(12) =4751935274a(13) =23946771826a(14) =120679612086a(15) =608149528211

External references